19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.text.style; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.drawable.Drawable; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Paint; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Canvas; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.Spanned; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.Layout; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class DrawableMarginSpan 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimplements LeadingMarginSpan, LineHeightSpan 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public DrawableMarginSpan(Drawable b) { 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable = b; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public DrawableMarginSpan(Drawable b, int pad) { 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable = b; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPad = pad; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLeadingMargin(boolean first) { 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawable.getIntrinsicWidth() + mPad; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void drawLeadingMargin(Canvas c, Paint p, int x, int dir, 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int top, int baseline, int bottom, 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CharSequence text, int start, int end, 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean first, Layout layout) { 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int st = ((Spanned) text).getSpanStart(this); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ix = (int)x; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int itop = (int)layout.getLineTop(layout.getLineForOffset(st)); 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dw = mDrawable.getIntrinsicWidth(); 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dh = mDrawable.getIntrinsicHeight(); 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX What to do about Paint? 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.setBounds(ix, itop, ix+dw, itop+dh); 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawable.draw(c); 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void chooseHeight(CharSequence text, int start, int end, 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int istartv, int v, 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint.FontMetricsInt fm) { 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end == ((Spanned) text).getSpanEnd(this)) { 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int ht = mDrawable.getIntrinsicHeight(); 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int need = ht - (v + fm.descent - fm.ascent - istartv); 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (need > 0) 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.descent += need; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project need = ht - (v + fm.bottom - fm.top - istartv); 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (need > 0) 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fm.bottom += need; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Drawable mDrawable; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mPad; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 76